=================================================================== RCS file: /cvs/mandoc/html.c,v retrieving revision 1.67 retrieving revision 1.82 diff -u -p -r1.67 -r1.82 --- mandoc/html.c 2009/10/27 04:50:14 1.67 +++ mandoc/html.c 2009/11/09 05:11:46 1.82 @@ -1,4 +1,4 @@ -/* $Id: html.c,v 1.67 2009/10/27 04:50:14 kristaps Exp $ */ +/* $Id: html.c,v 1.82 2009/11/09 05:11:46 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -17,9 +17,9 @@ #include #include -#include -#include +#include #include +#include #include #include #include @@ -66,7 +66,7 @@ static const struct htmldata htmltags[TAG_MAX] = { {"base", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_BASE */ }; -static const char *const htmlattrs[ATTR_MAX] = { +static const char *const htmlattrs[ATTR_MAX] = { "http-equiv", "content", "name", @@ -87,6 +87,13 @@ static const char *const htmlattrs[ATTR_MAX] = { extern int getsubopt(char **, char * const *, char **); #endif + +static void print_spec(struct html *, const char *, int); +static void print_res(struct html *, const char *, int); +static void print_ctag(struct html *, enum htmltag); +static void print_encode(struct html *, const char *); + + void * html_alloc(char *outopts) { @@ -99,17 +106,16 @@ html_alloc(char *outopts) toks[2] = "includes"; toks[3] = NULL; - if (NULL == (h = calloc(1, sizeof(struct html)))) - return(NULL); + h = calloc(1, sizeof(struct html)); + if (NULL == h) { + perror(NULL); + exit(EXIT_FAILURE); + } h->tags.head = NULL; h->ords.head = NULL; + h->symtab = chars_init(CHARS_HTML); - if (NULL == (h->symtab = chars_init(CHARS_HTML))) { - free(h); - return(NULL); - } - while (outopts && *outopts) switch (getsubopt(&outopts, UNCONST(toks), &v)) { case (0): @@ -190,15 +196,13 @@ static void print_spec(struct html *h, const char *p, int len) { const char *rhs; - int i; size_t sz; rhs = chars_a2ascii(h->symtab, p, (size_t)len, &sz); if (NULL == rhs) return; - for (i = 0; i < (int)sz; i++) - putchar(rhs[i]); + fwrite(rhs, 1, sz, stdout); } @@ -206,145 +210,62 @@ static void print_res(struct html *h, const char *p, int len) { const char *rhs; - int i; size_t sz; rhs = chars_a2res(h->symtab, p, (size_t)len, &sz); if (NULL == rhs) return; - for (i = 0; i < (int)sz; i++) - putchar(rhs[i]); + fwrite(rhs, 1, sz, stdout); } static void -print_escape(struct html *h, const char **p) +print_encode(struct html *h, const char *p) { - int j, type; - const char *wp; + size_t sz; + int len; + const char *seq; + enum roffdeco deco; - wp = *p; - type = 1; + for (; *p; p++) { + sz = strcspn(p, "\\<>&"); - if (0 == *(++wp)) { - *p = wp; - return; - } + fwrite(p, 1, sz, stdout); + p += /* LINTED */ + sz; - if ('(' == *wp) { - wp++; - if (0 == *wp || 0 == *(wp + 1)) { - *p = 0 == *wp ? wp : wp + 1; - return; - } + if ('<' == *p) { + printf("<"); + continue; + } else if ('>' == *p) { + printf(">"); + continue; + } else if ('&' == *p) { + printf("&"); + continue; + } else if ('\0' == *p) + break; - print_spec(h, wp, 2); - *p = ++wp; - return; + seq = ++p; + len = a2roffdeco(&deco, &seq, &sz); - } else if ('*' == *wp) { - if (0 == *(++wp)) { - *p = wp; - return; - } - - switch (*wp) { - case ('('): - wp++; - if (0 == *wp || 0 == *(wp + 1)) { - *p = 0 == *wp ? wp : wp + 1; - return; - } - - print_res(h, wp, 2); - *p = ++wp; - return; - case ('['): - type = 0; + switch (deco) { + case (DECO_RESERVED): + print_res(h, seq, sz); break; - default: - print_res(h, wp, 1); - *p = wp; - return; - } - - } else if ('f' == *wp) { - if (0 == *(++wp)) { - *p = wp; - return; - } - - switch (*wp) { - case ('B'): - /* TODO */ + case (DECO_SPECIAL): + print_spec(h, seq, sz); break; - case ('I'): - /* TODO */ - break; - case ('P'): - /* FALLTHROUGH */ - case ('R'): - /* TODO */ - break; default: break; } - *p = wp; - return; - - } else if ('[' != *wp) { - print_spec(h, wp, 1); - *p = wp; - return; + p += len - 1; } - - wp++; - for (j = 0; *wp && ']' != *wp; wp++, j++) - /* Loop... */ ; - - if (0 == *wp) { - *p = wp; - return; - } - - if (type) - print_spec(h, wp - j, j); - else - print_res(h, wp - j, j); - - *p = wp; } -static void -print_encode(struct html *h, const char *p) -{ - - for (; *p; p++) { - if ('\\' == *p) { - print_escape(h, &p); - continue; - } - switch (*p) { - case ('<'): - printf("<"); - break; - case ('>'): - printf(">"); - break; - case ('&'): - printf("&"); - break; - default: - putchar(*p); - break; - } - } -} - - struct tag * print_otag(struct html *h, enum htmltag tag, int sz, const struct htmlpair *p) @@ -353,8 +274,11 @@ print_otag(struct html *h, enum htmltag tag, struct tag *t; if ( ! (HTML_NOSTACK & htmltags[tag].flags)) { - if (NULL == (t = malloc(sizeof(struct tag)))) - err(EXIT_FAILURE, "malloc"); + t = malloc(sizeof(struct tag)); + if (NULL == t) { + perror(NULL); + exit(EXIT_FAILURE); + } t->tag = tag; t->next = h->tags.head; h->tags.head = t; @@ -363,16 +287,16 @@ print_otag(struct html *h, enum htmltag tag, if ( ! (HTML_NOSPACE & h->flags)) if ( ! (HTML_CLRLINE & htmltags[tag].flags)) - printf(" "); + putchar(' '); printf("<%s", htmltags[tag].name); for (i = 0; i < sz; i++) { printf(" %s=\"", htmlattrs[p[i].key]); assert(p->val); print_encode(h, p[i].val); - printf("\""); + putchar('\"'); } - printf(">"); + putchar('>'); h->flags |= HTML_NOSPACE; if (HTML_CLRLINE & htmltags[tag].flags) @@ -390,11 +314,11 @@ print_ctag(struct html *h, enum htmltag tag) { printf("", htmltags[tag].name); - if (HTML_CLRLINE & htmltags[tag].flags) + if (HTML_CLRLINE & htmltags[tag].flags) { h->flags |= HTML_NOSPACE; - if (HTML_CLRLINE & htmltags[tag].flags) h->flags |= HTML_NEWLINE; - else + putchar('\n'); + } else h->flags &= ~HTML_NEWLINE; } @@ -439,7 +363,7 @@ print_text(struct html *h, const char *p) } if ( ! (h->flags & HTML_NOSPACE)) - printf(" "); + putchar(' '); h->flags &= ~HTML_NOSPACE; h->flags &= ~HTML_NEWLINE; @@ -648,3 +572,30 @@ bufcat_su(struct html *h, const char *p, const struct buffmt(h, "%s: %d%s;", p, (int)v, u); } + +void +html_idcat(char *dst, const char *src, int sz) +{ + int ssz; + + assert(sz); + + /* Cf. . */ + + for ( ; *dst != '\0' && sz; dst++, sz--) + /* Jump to end. */ ; + + assert(sz > 2); + + /* We can't start with a number (bah). */ + + *dst++ = 'x'; + *dst = '\0'; + sz--; + + for ( ; *src != '\0' && sz > 1; src++) { + ssz = snprintf(dst, (size_t)sz, "%.2x", *src); + sz -= ssz; + dst += ssz; + } +}